moon_phase.py 993 B
from skyfield import api
from skyfield import almanac
from util.util import get_time_tuple_utc
from util.setup import ancillary_path
time_scale = api.load.timescale()
load = api.Loader(ancillary_path)
eph = load('de421.bsp')
def convert_time(epoch_time):
dt_obj, dt_tup = get_time_tuple_utc(epoch_time)
t = time_scale.from_datetime(dt_obj)
t = time_scale.utc(dt_tup[0], dt_tup[1], dt_tup[2], dt_tup[3])
return t
def moon_phase(epoch_time, phs_deg=70):
phase = almanac.moon_phase(eph, convert_time(epoch_time))
return (phase.degrees > phs_deg) & (phase.degrees < 360 - phs_deg)
def convert_times(epoch_time_s):
dt_obj_s = []
for et in epoch_time_s:
dt_obj_s.append(get_time_tuple_utc(et)[0])
t = time_scale.from_datetimes(dt_obj_s)
return t
def moon_phases(dt_obj_s, phs_deg=70):
t = time_scale.from_datetimes(dt_obj_s)
phase = almanac.moon_phase(eph, t)
return (phase.degrees > phs_deg) & (phase.degrees < 360-phs_deg)